(1) According to Priscilla Moore , Allen ROBERTSON had two brothers, Samuel ROBERTSON, of Crawfordsville, Montgomery, County, IN, and Lane ROBERTSON, of Kansas City, Jackson County, MO; and one sister, "Lizzie" ROBERTSON, whose place of residence is not specified by Ms. Moore. Allen, his two brothers, and their mother, Mary A. (LANGSTON) ROBERTSON all resided in Union Township, Montgomery County, IN at the time of the 1880 census. Also, at the time of the 1880 census, Elizabeth (ROBERTSON) WHITED resided in Union Township, Montgomery County, IN. However, the compiler does not know whether Elizabeth (ROBERTSON) WHITED was the same person as "Lizzie" ROBERTSON.

(2) A household headed by Samuel B. ROBERTSON is listed in the 1900 census of Union Township, Montgomery County, IN.

Samuel B. is listed in the 1900 census as a farm laborer who was born in January 1849 and was then 51 years of age. According to the 1900 census, he was born in KY, his father was born in VA, and his mother was born in KY. According to the 1900 census, he had then been married 19 years.

Listed with Samuel B. is his wife, Emma, who was born in April 1861 and was then 39 years of age. According to the 1900 census, she was born in IA, and both of her parents were born in OH. According to the 1900 census, she had then been married 19 years and had theretofore given birth to 4 children, all of whom were then living.

Also listed with Samuel B. is his daughter, Effie, who was born in December 1884 and was then 15 years of age. According to the 1900 census, she was born in IN, her father was born in KY, and her mother was born in IA.

Also listed with Samuel B. is his daughter, Hazel M.[?], who was born in March 1888 and was then 12 years of age. According to the 1900 census, she was born in IN, her father was born in KY, and her mother was born in IA.

Also listed with Samuel B. is his son, Lee E., who was born in April 1894 and was then 6 years of age. According to the 1900 census, he was born in IN, his father was born in KY, and his mother was born in IA.

Also listed with Samuel B. is his son, Lane D., who was born in August 1898 and was then 1 year of age. According to the 1900 census, he was born in IN, his father was born in KY, and his mother was born in IA.